Hoskins, J. R. <br/><br/>
Mineral industry costs / 
compiled by J.R. Hoskins. 
 - Spokane :  Northwest Mining Associations,  1982. 
 - 248 p. :  ill. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mineral industries--Costs.<br/>Mineral industries--Economic aspects.